{"css":"","js":"function _keys(object) {\n    // 补全代码\n    //方法一：for in 循环获取对象keys\n    //let list=[];\n    //for(let key in object){\n      //  list.push(key)\n    //}\n    //return list;\n    \n    //方法二 Object.keys(obj)获取对象keys\n    return Object.keys(object);\n}","html":"","libs":[]}